Horton Ramirez
03/10/2024 · Middle School

\( 1,1,2,3,5 \ldots= \) Fibonacci \( 1,4,9,16, \ldots= \) general \( 100,50,25,12.5, \ldots= \) geometric \( 40,30,20,10, \ldots= \)

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The sequence \( 40, 30, 20, 10, \ldots \) is an **arithmetic sequence**. In this sequence, each term decreases by a constant difference of \( 10 \). To summarize: - The first sequence is the **Fibonacci sequence**. - The second sequence consists of **perfect squares**. - The third sequence is a **geometric sequence** with a common ratio of \( \frac{1}{2} \). - The fourth sequence is an **arithmetic sequence** with a common difference of \( -10 \).

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The sequence \( 40, 30, 20, 10, \ldots \) is an arithmetic sequence with a common difference of \( -10 \).
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